http://cliodynamics.ru/index.php?option=com_content&task=view&id=388&Itemid=1
tfw it makes perfect sense
ruler chosen by periphery: poland (protests in capital city), usa (protests in commiefornia and big cities like ny), turkey (protests in ankara, izmir, istambul and other big cities)
on the other hand
hypothesis
rulers chosen by centre- EU (protests of periphery states like hungary and poland)